ABB Relion 670 Series Product Manual page 101

Generator protection REG670
Version 2.2
Secondary system supervision
Table 82. Current circuit supervision CCSSPVC
Function
Operate current
Reset ratio, Operate current
Block current
Reset ratio, Block current
Table 83. Fuse failure supervision FUFSPVC
Function
Operate voltage, zero sequence
Operate current, zero sequence
Operate voltage, negative sequence
Operate current, negative sequence
Operate voltage change level
Operate current change level
Operate phase voltage
Operate phase current
Operate phase dead line voltage
Operate phase dead line current
Operate time, start, 1 ph, at 1 x U
Reset time, start, 1 ph, at 0 to 1 x U
Hitachi Power Grids
M12358-1 v10
Range or value
(10-200)% of IBase
>90%
(20-500)% of IBase
>90% at (50-500)% of
IBase
M16069-1 v12
Range or value
(1-100)% of UBase
(1–100)% of IBase
(1-100)% of UBase
(1–100)% of IBase
(1-100)% of UBase
(1–100)% of IBase
(1-100)% of UBase
(1–100)% of IBase
(1-100)% of UBase
(1–100)% of IBase
to 0 Min. = 10 ms
r
Max. = 25 ms
Min. = 15 ms
r
Max. = 30 ms
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Accuracy
±10.0% of I at I ≤ I
r r
±10.0% of I at I > I
r
±5.0% of I at I ≤ I
r r
±5.0% of I at I > I
r
Accuracy
±0.5% of U
r
±0.5% of I
r
±0.5% of U
r
±0.5% of I
r
±10.0% of U
r
±10.0% of I
r
±0.5% of U
r
±0.5% of I
r
±0.5% of U
r
±0.5% of I
r
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1MRK 502 074-BEN M
101